Instead of acting as one of the most bland parts of city landscapes, what if manholes served a purpose? That's what designers Cheolyeon Jo and Youngsun Lee propose with their "<a href="http://www.yankodesign.com/2009/11/04/step-onto-the-manhole/" target="_blank">Eco Sign</a>", an electronic manhole cover that gives directions to the closest train or <a href="http://www.inhabitat.com/2009/11/02/bus-stop-shelter/">bus stop</a>.
The manhole is <a href="http://www.inhabitat.com/2008/12/15/lightdrops-umbrella-by-sang-kyun-park/">powered by rain drops</a> that spin an electricity-generating fan, which activates the display when a user steps on it....<br><br><a href='http://inhabitat.com/manhole-of-the-future-is-powered-by-rainwater/'>READ ARTICLE</a>

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manhole

Instead of acting as one of the most bland parts of city landscapes, what if manholes served a purpose? That's what designers Cheolyeon Jo and Youngsun Lee propose with their "<a href="http://www.yankodesign.com/2009/11/04/step-onto-the-manhole/" target="_blank">Eco Sign</a>", an electronic manhole cover that gives directions to the closest train or <a href="http://www.inhabitat.com/2009/11/02/bus-stop-shelter/">bus stop</a>.
The manhole is <a href="http://www.inhabitat.com/2008/12/15/lightdrops-umbrella-by-sang-kyun-park/">powered by rain drops</a> that spin an electricity-generating fan, which activates the display when a user steps on it....<br><br><a href='http://inhabitat.com/manhole-of-the-future-is-powered-by-rainwater/'>READ ARTICLE</a>

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manhole

Instead of acting as one of the most bland parts of city landscapes, what if manholes served a purpose? That's what designers Cheolyeon Jo and Youngsun Lee propose with their "<a href="http://www.yankodesign.com/2009/11/04/step-onto-the-manhole/" target="_blank">Eco Sign</a>", an electronic manhole cover that gives directions to the closest train or <a href="http://www.inhabitat.com/2009/11/02/bus-stop-shelter/">bus stop</a>.
The manhole is <a href="http://www.inhabitat.com/2008/12/15/lightdrops-umbrella-by-sang-kyun-park/">powered by rain drops</a> that spin an electricity-generating fan, which activates the display when a user steps on it....<br><br><a href='http://inhabitat.com/manhole-of-the-future-is-powered-by-rainwater/'>READ ARTICLE</a>

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manhole

Instead of acting as one of the most bland parts of city landscapes, what if manholes served a purpose? That's what designers Cheolyeon Jo and Youngsun Lee propose with their "Eco Sign", an electronic manhole cover that gives directions to the closest train or bus stop.
The manhole is powered by rain drops that spin an electricity-generating fan, which activates the display when a user steps on it....